Can you answer and explain the answer like I'm an idiot? Also, please don't use cursive as I can't read that.

1 0 0 3/2 1/2 -1 1. Let A = 1 ,b = Then rref( [ A|6] ) = -1/2 -1/2 1/2 1 3/2 2 -1 0 (a) Find the rank of A. (b) Find the complete solution of Ar = b. (c) Find a basis of N(A), the null space of A. What is the dimension of N(A)? (d) Find a basis of C(A), the column space of A. What is the dimension of C(A)? (e) Find a vector r in the row space of A and verify that & I N(A). 19 L 2. Find the complete solution of the system Ar = b, where A = , and b = 1 3. Let A = b a b , where a 0. Find rank A. Also, find a basis of the null space and a basis of the row space of A; and show that they are perpendicular